Trojan.PDF.SAMBASPY.THIBOBD

 Analysis by: Raighen Sanchez

 ALIASES:

Trojan:PDF/Phish.SST!MTB (MICROSOFT)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It redirects browsers to certain sites. However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

51,082 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

19 Sep 2024

Payload:

Connects to URLs/IPs

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Trojan redirects browsers to the following sites:

  • https://www.{BLOCKED}ire.com/file_premium/adgxdstab2g00k9/Pagamento.jar/file

It does the following:

  • It acts as Microsoft Cloud document to lure the user into clicking the malicious link:

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

19.602.02

FIRST VSAPI PATTERN DATE:

20 Sep 2024

VSAPI OPR PATTERN File:

19.603.00

VSAPI OPR PATTERN Date:

21 Sep 2024

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as Trojan.PDF.SAMBASPY.THIBOBD. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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